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Finding the Fourth Proportional to 108,523.86, 162,825.68 and 45,350.34

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Solution

The fourth proportional to 108,523.86, 162,825.68 and 45,350.34 is: 68,042.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,523.86 : 162,825.68 = 45,350.34 : x
  2. Step 2: Convert to fraction form
    108,523.86/162,825.68 = 45,350.34/x
  3. Step 3: Cross multiply
    108,523.86x = 162,825.68 × 45,350.34
  4. Step 4: Simplify right side
    108,523.86x = 7,384,199,948.73
  5. Step 5: Solve for x
    x = 7,384,199,948.73/108,523.86
  6. Step 6: Final answer
    x = 68,042.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.